single run have to be specify in the package.json command otherwise the browser test can not be executed

ng2-components/ng2-alfresco-core/karma.conf.js

@@ -75,8 +75,7 @@ module.exports = function (config) {
                 {type: 'json', file: 'coverage-final.json'},
                 {type: 'html'}
             ]
-        },
+        }
 
-        singleRun: true
     })
 };

ng2-components/ng2-alfresco-datatable/karma.conf.js

@@ -52,7 +52,7 @@ module.exports = function (config) {
                 flags: ['--no-sandbox']
             }
         },
-        
+
         // Karma plugins loaded
         plugins: [
             'karma-jasmine',
@@ -80,9 +80,8 @@ module.exports = function (config) {
                 {type: 'json', file: 'coverage-final.json'},
                 {type: 'html'}
             ]
-        },
+        }
 
-        singleRun: true
     }
 
     if (process.env.TRAVIS) {

ng2-components/ng2-alfresco-login/karma.conf.js

@@ -83,9 +83,7 @@ module.exports = function (config) {
                 {type: 'json', file: 'coverage-final.json'},
                 {type: 'html'}
             ]
-        },
-
-        singleRun: true
+        }
     }
 
     if (process.env.TRAVIS) {

ng2-components/ng2-alfresco-search/karma.conf.js

@@ -82,9 +82,7 @@ module.exports = function (config) {
                 {type: 'json', file: 'coverage-final.json'},
                 {type: 'html'}
             ]
-        },
-
-        singleRun: true
+        }
     }
 
     if (process.env.TRAVIS) {

ng2-components/ng2-alfresco-upload/karma.conf.js

@@ -83,9 +83,7 @@ module.exports = function (config) {
                 {type: 'json', file: 'coverage-final.json'},
                 {type: 'html'}
             ]
-        },
-
-        singleRun: true
+        }
     }
 
     if (process.env.TRAVIS) {